EP3321039A1 - Battery operated electric machine tool - Google Patents
Battery operated electric machine tool Download PDFInfo
- Publication number
- EP3321039A1 EP3321039A1 EP17198498.2A EP17198498A EP3321039A1 EP 3321039 A1 EP3321039 A1 EP 3321039A1 EP 17198498 A EP17198498 A EP 17198498A EP 3321039 A1 EP3321039 A1 EP 3321039A1
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- EP
- European Patent Office
- Prior art keywords
- battery
- stationary
- power tool
- battery interface
- semi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000003754 machining Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
- B27B5/16—Saw benches
- B27B5/22—Saw benches with non-feedable circular saw blade
- B27B5/222—Saw benches with non-feedable circular saw blade the saw blade being arranged underneath the work-table; Guiding arrangements for the work-table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
- B27B5/29—Details; Component parts; Accessories
Definitions
- the invention relates to a battery-powered, in particular stationary or semi-stationary, electrical machine tool comprising an electric drive unit, a battery interface for electrical and / or mechanical coupling of at least one battery pack, and a housing assembly to which the drive unit is at least partially connected, wherein the battery interface in the assembled state captive connected to the housing assembly.
- Battery-operated electric machine tools of all kinds are well known in the art and usually have an interface through which a battery pack can be connected to supply the drive unit of the power tool with electric current.
- a battery-powered table saw known.
- a battery holding device is provided whose position is selected such that additional useful functions can be provided, for example the battery holding device is positioned in the vicinity of a switch for starting the drive unit, so that the wiring between the battery pack and the switch can be shortened and simplified.
- the battery holding device may be positioned such that the battery serves as a counterweight to the weight of the drive unit or the saw unit or that a connected battery pack may serve as a balance weight for the entire table saw unit.
- an object of the present invention is to at least reduce the disadvantages known from the prior art.
- the present invention proposes a battery-operated, in particular stationary or semi-stationary, electric power tool with the features of claim 1.
- This is characterized in particular by the fact that the battery interface between a first position and a second position is mounted relative to the housing assembly movable on this.
- the movable attachment of a battery interface makes it possible to bring these for insertion of the battery pack or in a first position in which the battery interface is easily accessible, and this for the operation and / or transport of the power tool in a second position bring in which it is compact and takes up as little space.
- the present invention thus enables a particularly space-saving design in which the at least one battery pack coupled to the battery interface can be easily mounted in a position on the battery interface and housed in a second position protected by components of the housing assembly, whereby the handling of the power tool is simplified and at the same time unwanted collisions with the at least one coupled battery pack can be prevented.
- the type of movement may include both a pivoting movement and a translatory movement or a mixture of these two types of movement.
- the housing arrangement has a predetermined recess into which the battery interface can be moved together with at least one battery pack connected thereto.
- the electric machine tool or its housing arrangement it may be particularly advantageous to use previously unused space for receiving the battery interface, which is present between individual components of the housing arrangement, for lack of good accessibility. If these are possibly blocked by components of the housing arrangement, for example by a housing wall, an additional recess can be provided on the housing arrangement into which the battery interface can be moved. In this case, an embodiment in which the battery interface can be moved into the recess together with the at least one battery pack connected therewith is particularly advantageous. Alternatively, however, it is likewise conceivable that only the battery interface, without associated battery packs, can be moved into the recess. In this case, in particular for the transport of the power tool a particularly compact design provided, while in a solution in which also the or the battery packs associated therewith can be moved into the recess, a particularly compact design in the operation of the power tool allows.
- the battery interface includes a battery receptacle for mechanically receiving at least one battery pack.
- the battery interface comprises at least one displacement means, in particular at least one track, which interacts with one or more corresponding displacement means on the housing assembly, in particular with corresponding guide rails, in such a way or act that the battery receiving performs a defined displacement movement.
- a single track can be arranged, which cooperates with two lateral guide rails or with a guide slot for guided displacement.
- two rails can engage behind two corresponding guide rails for guided sliding movement.
- an additional joint may be provided that couples the housing assembly directly or indirectly to the battery interface.
- the housing arrangement can comprise a machine housing of the power tool and / or a substructure, in particular a machining table of the power tool.
- the present invention is applicable to a variety of types of electric machine tools, both in the context of stationary machines, and with semi-stationary or portable power tools.
- battery operation is of particular advantage.
- portable power tools can both such electric machine tools utilize the present invention which are moved in their entirety by a user, for example angle grinders, straight grinders, drills and the like.
- these may also include a machining table or the like, which is defined herein as part of the housing assembly.
- table saws or table saws, band saws and the like comprise a substructure in the form of a table-shaped underframe, which can also form the housing arrangement in the sense of the present invention.
- the battery interface and / or the housing arrangement has at least one first end stop, in particular a projection, which limits the relative movement of the battery interface in the direction away from the housing assembly in the first position and thus an undesired release of the battery interface prevented by the housing assembly.
- the battery interface and / or the housing arrangement has or have at least one second end stop, in particular a projection, which limits the relative movement of the battery interface in the direction of the housing arrangement in the second position, and thus a defines defined operating position and / or transport position of the battery interface relative to the housing arrangement.
- the power tool further comprises a securing mechanism for securing the battery interface in its second position relative to the housing assembly.
- the securing mechanism may comprise a spring-biased pawl, which is provided on the housing assembly or on the battery interface, as well as a cooperating therewith for securing the battery interface in its second position locking projection corresponding to the battery interface or is provided on the housing assembly.
- a biased pawl which cooperates with a locking projection which is provided on the other component ie the battery interface or the housing assembly, so that they jointly contribute to securing the battery interface in its second position.
- the securing mechanism may further comprise a release arrangement, by means of which the spring-biased pawl can be moved against the spring bias in a release position.
- a release arrangement may be, for example, an actuatable via an actuator lever, pressure switch or the like, which causes a movement of the resiliently biased pawl in a release position.
- alternative embodiments are also conceivable.
- the battery interface can be connected in any position with the drive unit of the power tool.
- the electrical contacts and the electrical mating contacts in each position of the battery interface can be kept in electrical connection with each other and the machine tool can be operated in the first position of the battery interface.
- the battery interface has electrical contacts that come into electrical connection in their second position with electrical mating contacts on the housing assembly and that are released as a result of movement in the first position of the battery interface of the electrical mating contacts. This provides an additional means of securing a desired operating state with the battery interface in its second Position created relative to the housing assembly.
- the electrical contacts only in respectively provided end positions, ie the first and the second position, are in electrical contact with corresponding mating contacts. In such an embodiment, for example, the end stops can be used for electrical contacting.
- the present invention also relates to a processing table for a battery-operated power tool according to one of claims 1 to 12, wherein the processing table has a battery interface for electrical and / or mechanical coupling of at least one battery pack, and a housing assembly, with which the drive unit of the battery-operated power tool at least is partially connectable, wherein the battery interface is connected in the mounted state captive with the housing assembly.
- the battery interface between a first position and a second position relative to the housing assembly is movably attached to this and at least in the second position electrically connected to the drive unit of the power tool connected to the processing table.
- FIG. 1 Is in isometric view a table saw schematically shown.
- the electric machine tool designed as a table saw is generally designated by the reference numeral 10.
- FIGS. 1 to 5 It comprises in the illustrated embodiment of FIGS. 1 to 5 a working table 12 having a working surface 12a and a stopper assembly 12b and a base 12c. Furthermore, a saw unit 14 of the electric machine tool designed as a table saw is accommodated in the illustrated embodiment within a housing arrangement 16 and comprises, in addition to a machining tool designed as a saw blade S, a drive unit (not designated).
- the housing assembly 16 is connected in known manner to transport rollers 16a and adjustable legs 16b and 16c of the undercarriage 12c. In the following FIGS. 2A to 3 only a housing part of the housing assembly 16 is shown to further simplify the figures.
- the power tool 10 further comprises a battery interface 20, which in the illustrated embodiment for electrical and mechanical Coupling of two battery packs A is used.
- a battery interface 20 which in the illustrated embodiment for electrical and mechanical Coupling of two battery packs A is used.
- the battery interface can provide only an electrical or a mechanical coupling.
- the battery packs A are accommodated on associated receptacles (not labeled) of the battery interface 20 and can be locked in a known manner to this and electrically contacted.
- the receptacles of the battery interface 20 are in particular designed such that they have a mechanical structure that interacts with the contour of the battery pack A for mechanical protection.
- the battery interface 20 can relative to the housing assembly 16 in the direction S between a first position (see. FIG. 2A ) and a second position (cf. FIG. 2B ) are moved back and forth.
- the battery interface 20 in the manner of a drawer or a carriage is mounted translationally displaceable on a support bar 18 of the processing table 12. In its second position, it is at least partially in a recess provided on the housing assembly 16 recess 28 (see. FIGS. 1 and 3 ) inserted or penetrates these and projects into the interior of the housing assembly 16th
- the battery interface 20 has in the illustrated embodiment, two rails 22 which are formed on opposite sides of the battery interface 24 and as a displacement means with corresponding displacement means, in this case with guide rails 18a (indicated in FIG Fig. 2A dashed, in Fig. 4 shown). In the installed state, the guide rails 18a engage under the rails 22 of the battery interface 20.
- the battery interface 20 has a projection 24 which is used to secure the battery interface 20 in its second position relative to the housing assembly 16 by means of a resiliently biased latch as a backup mechanism (indicated by the reference numeral 18c, cf. also FIGS. 4 and 5 ) is secured against being pulled out towards the first position. Furthermore, a release arrangement comprising an actuating switch 18d is provided which, when pressed inwards by a user, moves the spring-biased pawl 18c counter to the spring bias into a release position in which it releases the projection 24.
- first end stop 26a (cf. FIG. 5 ) and a second end stop 26b (cf. FIG. 2A ), which limit the displacement movement of the battery interface 20 in its first position and its second position relative to the housing assembly 16.
- the present invention provides a particularly space-saving design for a battery-powered power tool in which a battery interface for coupling at least one battery pack from a first position in which the at least one battery pack can be conveniently used, can be moved to a second space-saving position in which the coupled battery packs occupy little space and are protected against collisions with external objects.
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- Life Sciences & Earth Sciences (AREA)
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- Battery Mounting, Suspending (AREA)
Abstract
Die vorliegende Erfindung betrifft eine akkubetriebene stationäre oder halbstationäre Elektrowerkzeugmaschine (10) umfassend eine elektrische Antriebseinheit, eine Akkuschnittstelle (20) zur elektrischen und/oder mechanischen Kopplung von wenigstens einem Akkupack (A) sowie eine Gehäuseanordnung (16), mit der die Antriebseinheit zumindest teilweise verbunden ist, wobei die Akkuschnittstelle im montierten Zustand unverlierbar mit der Gehäuseanordnung verbunden ist, dadurch gekennzeichnet, dass die Akkuschnittstelle zwischen einer ersten Position und einer zweiten Position relativ zu der Gehäuseanordnung bewegbar an dieser angebracht ist.The present invention relates to a battery-powered stationary or semi-stationary power tool (10) comprising an electric drive unit, a battery interface (20) for electrically and / or mechanically coupling at least one battery pack (A) and a housing assembly (16), with which the drive unit at least partially is connected, wherein the battery interface in the mounted state is captively connected to the housing assembly, characterized in that the battery interface between a first position and a second position is mounted relative to the housing assembly movable on this.
Description
Die Erfindung betrifft eine akkubetriebene, insbesondere stationäre oder halbstationäre, Elektrowerkzeugmaschine umfassend eine elektrische Antriebseinheit, eine Akkuschnittstelle zur elektrischen und/oder mechanischen Kopplung von wenigstens einem Akkupack, sowie eine Gehäuseanordnung, mit der die Antriebseinheit zumindest teilweise verbunden ist, wobei die Akkuschnittstelle im montierten Zustand unverlierbar mit der Gehäuseanordnung verbunden ist.The invention relates to a battery-powered, in particular stationary or semi-stationary, electrical machine tool comprising an electric drive unit, a battery interface for electrical and / or mechanical coupling of at least one battery pack, and a housing assembly to which the drive unit is at least partially connected, wherein the battery interface in the assembled state captive connected to the housing assembly.
Akkubetriebene Elektrowerkzeugmaschinen aller Art sind im Stand der Technik wohlbekannt und weisen in der Regel eine Schnittstelle auf, über die ein Akkupack angeschlossen werden kann, um die Antriebseinheit der Elektrowerkzeugmaschine mit elektrischem Strom zu versorgen.Battery-operated electric machine tools of all kinds are well known in the art and usually have an interface through which a battery pack can be connected to supply the drive unit of the power tool with electric current.
So ist beispielsweise aus der Druckschrift
In der Praxis hat sich bei dieser Lösung jedoch als nachteilig erwiesen, dass selbst bei einer wie vorstehend beschrieben günstigen Positionierung der Batteriehalteeinrichtung diese insbesondere mit einem daran aufgenommenen Akkupack zusätzlichen Bauraum in Anspruch nimmt, wodurch die Elektrowerkzeugmaschine gegenüber Netzmaschinen größer und unhandlicher wird.In practice, however, has proven to be disadvantageous in this solution that even with a favorable as described above positioning of the battery holding device this takes in particular with a recorded battery pack additional space to complete, making the power tool compared to net machines is larger and more cumbersome.
Die erhöhten Anforderungen der Anwender an die Akkuspannung führt weiterhin dazu, dass immer mehr akkubetriebene Elektrowerkzeugmaschinen nicht nur ein einziges Akkupack, sondern mehrere Akkupacks aufnehmen können sollen, um die abrufbare Gesamtspannung und die Betriebsdauer zu erhöhen. Insbesondere beim Vorsehen von mehreren Akkupacks an einer Akkuschnittstelle erweist sich damit die aus dem Stand der Technik bekannte Anordnung der Akkuschnittstelle als unhandlich und damit nachteilig.The increased demands of users on the battery voltage continues to lead to the fact that more and more battery-powered power tool machines should be able to accommodate not just a single battery pack, but several battery packs to increase the total voltage and the operating time. In particular, when providing a plurality of battery packs to a battery interface proves so known from the prior art arrangement of the battery interface as unwieldy and thus disadvantageous.
Demgegenüber besteht eine Aufgabe der vorliegenden Erfindung darin, die aus dem Stand der Technik bekannten Nachteile zumindest zu verringern.In contrast, an object of the present invention is to at least reduce the disadvantages known from the prior art.
Hierzu schlägt die vorliegende Erfindung eine akkubetriebene, insbesondere stationäre oder halbstationäre, Elektrowerkzeugmaschine mit den Merkmalen Anspruchs 1 vor. Diese zeichnet sich insbesondere dadurch aus, dass die Akkuschnittstelle zwischen einer ersten Position und einer zweiten Position relativ zu der Gehäuseanordnung bewegbar an dieser angebracht ist. Im Unterschied zu den im Stand der Technik starr angebrachten Akkuschnittstellen, wie beispielsweise in der Druckschrift
Durch die vorliegende Erfindung wird somit ein besonders platzsparender Aufbau ermöglicht, bei dem das mit der Akkuschnittstelle gekoppelte wenigstens eine Akkupack in einer Position einfach an der Akkuschnittstelle angebracht werden kann und in einer zweiten Position geschützt durch Bauteile der Gehäuseanordnung untergebracht ist, wodurch die Handhabung der Elektrowerkzeugmaschine vereinfacht wird und zugleich unerwünschte Kollisionen mit dem wenigstens einen gekoppelten Akkupack verhindert werden können.The present invention thus enables a particularly space-saving design in which the at least one battery pack coupled to the battery interface can be easily mounted in a position on the battery interface and housed in a second position protected by components of the housing assembly, whereby the handling of the power tool is simplified and at the same time unwanted collisions with the at least one coupled battery pack can be prevented.
Die Art der Bewegung kann dabei sowohl eine Schwenkbewegung als auch eine translatorische Bewegung oder eine Mischung dieser beiden Bewegungsarten umfassen. Bei einer Weiterbildung der Erfindung ist insbesondere vorgesehen, dass die Akkuschnittstelle translatorisch bewegbar ist, wobei die Akkuschnittstelle insbesondere in der Art einer Schublade oder eines Schlittens aus der Gehäuseanordnung ausziehbar und in diese zumindest abschnittsweise einschiebbar ausgestaltet ist. Dabei kann sie in der eingeschobenen zweiten Position zwischen Bauteilen der Gehäuseanordnung aufgenommen sein. Es kann jedoch auch vorgesehen sein, dass die Gehäuseanordnung eine vorgegebene Ausnehmung aufweist, in die die Akkuschnittstelle zusammen mit wenigstens einem damit verbundenen Akkupack bewegt werden kann.The type of movement may include both a pivoting movement and a translatory movement or a mixture of these two types of movement. In a development of the invention, provision is made in particular for the battery interface to be translationally movable, wherein the battery interface can be pulled out of the housing arrangement, in particular in the manner of a drawer or a carriage, and inserted into it at least in sections. It can be accommodated in the inserted second position between components of the housing assembly. However, it can also be provided that the housing arrangement has a predetermined recess into which the battery interface can be moved together with at least one battery pack connected thereto.
So ist es je nach Ausgestaltung der Elektrowerkzeugmaschine bzw. ihrer Gehäuseanordnung möglicherweise besonders vorteilhaft, ohnehin zwischen einzelnen Bauteilen der Gehäuseanordnung vorhandene, mangels guter Zugänglichkeit bislang ungenutzte Bauräume zur Aufnahme der Akkuschnittstelle zu nutzen. Sind diese möglicherweise durch Bauteile der Gehäuseanordnung versperrt, beispielsweise durch eine Gehäusewandung, kann an der Gehäuseanordnung eine zusätzliche Ausnehmung vorgesehen sein, in welche die Akkuschnittstelle bewegt werden kann. Dabei ist insbesondere eine Ausgestaltung, bei der die Akkuschnittstelle zusammen mit dem wenigstens einen damit verbundenen Akkupack in die Ausnehmung bewegt werden kann, von Vorteil. Alternativ ist es jedoch ebenfalls denkbar, dass nur die Akkuschnittstelle, ohne damit verbundene Akkupacks, in die Ausnehmung bewegt werden kann. In diesem Fall wird insbesondere für den Transport der Elektrowerkzeugmaschine ein besonders kompakter Aufbau bereitgestellt, während bei einer Lösung, bei der auch der bzw. die damit verbundenen Akkupacks in die Ausnehmung hineinbewegt werden können, eine besonders kompakte Ausgestaltung im Betrieb der Elektrowerkzeugmaschine ermöglicht.Thus, depending on the configuration of the electric machine tool or its housing arrangement, it may be particularly advantageous to use previously unused space for receiving the battery interface, which is present between individual components of the housing arrangement, for lack of good accessibility. If these are possibly blocked by components of the housing arrangement, for example by a housing wall, an additional recess can be provided on the housing arrangement into which the battery interface can be moved. In this case, an embodiment in which the battery interface can be moved into the recess together with the at least one battery pack connected therewith is particularly advantageous. Alternatively, however, it is likewise conceivable that only the battery interface, without associated battery packs, can be moved into the recess. In this case, in particular for the transport of the power tool a particularly compact design provided, while in a solution in which also the or the battery packs associated therewith can be moved into the recess, a particularly compact design in the operation of the power tool allows.
Es ist weiterhin möglich, dass die Akkuschnittstelle eine Akkuaufnahme zur mechanischen Aufnahme von wenigstens einem Akkupack umfasst.It is also possible that the battery interface includes a battery receptacle for mechanically receiving at least one battery pack.
Weiterhin kann vorgesehen sein, dass die Akkuschnittstelle wenigstens ein Verschiebemittel, insbesondere wenigstens eine Laufschiene, umfasst, die mit einem oder mehreren korrespondierenden Verschiebemitteln an der Gehäuseanordnung, insbesondere mit korrespondierenden Führungsschienen, in der Weise zusammenwirkt oder wirken, dass die Akkuaufnahme eine definierte Verschiebebewegung ausführt. So kann beispielsweise eine einzige Laufschiene angeordnet sein, die mit zwei seitlichen Führungsschienen oder mit einem Führungsschlitz zur geführten Verschiebung zusammenwirkt. Auch können zwei Laufschienen zwei korrespondierende Führungsschienen zur geführten Verschiebebewegung hintergreifen. Alternativ oder zusätzlich kann selbstverständlich bei der Ausgestaltung, bei der eine Verschwenkbewegung Teil der Bewegung von der ersten Position in die zweite Position und zurück darstellt, ein zusätzliches Gelenk vorgesehen sein, dass die Gehäuseanordnung direkt oder indirekt mit der Akkuschnittstelle koppelt.Furthermore, it can be provided that the battery interface comprises at least one displacement means, in particular at least one track, which interacts with one or more corresponding displacement means on the housing assembly, in particular with corresponding guide rails, in such a way or act that the battery receiving performs a defined displacement movement. Thus, for example, a single track can be arranged, which cooperates with two lateral guide rails or with a guide slot for guided displacement. Also, two rails can engage behind two corresponding guide rails for guided sliding movement. Alternatively or additionally, of course, in the embodiment in which a pivoting movement is part of the movement from the first position to the second position and back, an additional joint may be provided that couples the housing assembly directly or indirectly to the battery interface.
Weiterhin kann vorgesehen sein, dass die Gehäuseanordnung ein Maschinengehäuse der Elektrowerkzeugmaschine und/oder einen Unterbau, insbesondere einen Bearbeitungstisch der Elektrowerkzeugmaschine umfassen kann. So ist die vorliegende Erfindung für unterschiedlichste Arten von Elektrowerkzeugmaschinen anwendbar, sowohl im Zusammenhang mit stationären Maschinen, als auch mit halbstationären oder portablen Elektrowerkzeugmaschinen. Insbesondere im Bereich von halbstationären und portablen Elektrowerkzeugmaschinen ist der Akkubetrieb jedoch von besonderem Vorteil. Bei portablen Elektrowerkzeugmaschinen können sowohl solche Elektrowerkzeugmaschinen die vorliegende Erfindung nutzen, die in ihrer Gesamtheit von einem Anwender bewegt werden, beispielsweise Winkelschleifer, Geradschleifer, Bohrmaschinen und dergleichen. Weiterhin können diese jedoch auch einen Bearbeitungstisch oder dergleichen umfassen, der vorliegend als Teil der Gehäuseanordnung definiert ist. Insbesondere Tischsägen bzw. Tischkreissägen, Bandsägen und dergleichen umfassen einen Unterbau in Form eines tischförmigen Untergestells, das ebenfalls die Gehäuseanordnung im Sinne der vorliegenden Erfindung bilden kann.Furthermore, it can be provided that the housing arrangement can comprise a machine housing of the power tool and / or a substructure, in particular a machining table of the power tool. Thus, the present invention is applicable to a variety of types of electric machine tools, both in the context of stationary machines, and with semi-stationary or portable power tools. However, especially in the field of semi-stationary and portable power tools battery operation is of particular advantage. In portable power tools can both such electric machine tools utilize the present invention which are moved in their entirety by a user, for example angle grinders, straight grinders, drills and the like. However, these may also include a machining table or the like, which is defined herein as part of the housing assembly. In particular, table saws or table saws, band saws and the like comprise a substructure in the form of a table-shaped underframe, which can also form the housing arrangement in the sense of the present invention.
Weiterhin kann vorgesehen sein, dass die Akkuschnittstelle und/oder die Gehäuseanordnung wenigstens einen ersten Endanschlag, insbesondere einen Vorsprung, aufweist bzw. aufweisen, der die Relativbewegung der Akkuschnittstelle in Richtung von der Gehäuseanordnung weg in der ersten Position begrenzt und damit ein unerwünschtes Lösen der Akkuschnittstelle von der Gehäuseanordnung verhindert. Weiterhin oder alternativ hierzu kann vorgesehen sein, dass die Akkuschnittstelle und/oder die Gehäuseanordnung wenigstens einen zweiten Endanschlag, insbesondere ein Vorsprung, aufweist bzw. aufweisen, der die Relativbewegung der Akkuschnittstelle in Richtung zu der Gehäuseanordnung hin in der zweiten Position begrenzt, und damit eine definierte Betriebsposition und/oder Transportposition der Akkuschnittstelle relativ zu der Gehäuseanordnung vorgibt.Furthermore, it can be provided that the battery interface and / or the housing arrangement has at least one first end stop, in particular a projection, which limits the relative movement of the battery interface in the direction away from the housing assembly in the first position and thus an undesired release of the battery interface prevented by the housing assembly. Furthermore or alternatively, it may be provided that the battery interface and / or the housing arrangement has or have at least one second end stop, in particular a projection, which limits the relative movement of the battery interface in the direction of the housing arrangement in the second position, and thus a defines defined operating position and / or transport position of the battery interface relative to the housing arrangement.
Unabhängig von den vorstehend beschriebenen Ausgestaltungen kann weiter vorgesehen sein, dass die Elektrowerkzeugmaschine ferner einen Sicherungsmechanismus zur Sicherung der Akkuschnittstelle in ihrer zweiten Position relativ zu der Gehäuseanordnung aufweist.Regardless of the embodiments described above may be further provided that the power tool further comprises a securing mechanism for securing the battery interface in its second position relative to the housing assembly.
Insbesondere kann der Sicherungsmechanismus eine federnd vorgespannte Klinke umfassen, die an der Gehäuseanordnung oder an der Akkuschnittstelle vorgesehen ist, sowie einen damit zur Sicherung der Akkuschnittstelle in ihrer zweiten Position zusammenwirkenden Rastvorsprung der korrespondierend an der Akkuschnittstelle oder an der Gehäuseanordnung vorgesehen ist. Somit weist entweder die Gehäuseanordnung oder die Akkuschnittstelle eine vorgespannte Klinke auf, die mit einem Rastvorsprung zusammenwirkt, der an dem jeweils anderen Bauteil d.h. der Akkuschnittstelle oder der Gehäuseanordnung vorgesehen ist, so dass diese gemeinsam zur Sicherung der Akkuschnittstelle in ihrer zweiten Position beitragen.In particular, the securing mechanism may comprise a spring-biased pawl, which is provided on the housing assembly or on the battery interface, as well as a cooperating therewith for securing the battery interface in its second position locking projection corresponding to the battery interface or is provided on the housing assembly. Thus, either the housing assembly or the battery interface on a biased pawl, which cooperates with a locking projection which is provided on the other component ie the battery interface or the housing assembly, so that they jointly contribute to securing the battery interface in its second position.
Der Sicherungsmechanismus kann ferner eine Löseanordnung umfassen, mittels derer die federnd vorgespannte Klinke entgegen der Federvorspannung in eine Lösestellung bewegt werden kann. Dies ermöglicht eine werkzeuglose Lösung des Sicherungsmechanismus. Bei einer solchen Löseanordnung kann es sich beispielsweise um einen über ein Betätigungselement betätigbaren Hebel, Druckschalter oder dergleichen handeln, der eine Bewegung der federnd vorgespannten Klinke in eine Lösestellung bewirkt. Alternative Ausgestaltungen sind jedoch selbstverständlich ebenfalls denkbar.The securing mechanism may further comprise a release arrangement, by means of which the spring-biased pawl can be moved against the spring bias in a release position. This allows a tool-free solution of the locking mechanism. Such a release arrangement may be, for example, an actuatable via an actuator lever, pressure switch or the like, which causes a movement of the resiliently biased pawl in a release position. Of course, alternative embodiments are also conceivable.
Weiterhin kann die Akkuschnittstelle in jeder Position mit der Antriebseinheit der Elektrowerkzeugmaschine verbunden sein. Auf diese Weise können die elektrischen Kontakte und die elektrischen Gegenkontakte in jeder Position der Akkuschnittstelle in elektrischer Verbindung miteinander gehalten werden und die Werkzeugmaschine auch in der ersten Position der Akkuschnittstelle betrieben werden. Hierzu ist es beispielswiese denkbar, die Verschiebemittel und korrespondierenden Verschiebemittel elektrisch leitend auszubilden oder eine elektrisch leitende Verbindung in Form von Kabeln oder dergleichen bereitzustellen.Furthermore, the battery interface can be connected in any position with the drive unit of the power tool. In this way, the electrical contacts and the electrical mating contacts in each position of the battery interface can be kept in electrical connection with each other and the machine tool can be operated in the first position of the battery interface. For this purpose, it is conceivable, for example, to form the displacement means and corresponding displacement means in an electrically conductive manner or to provide an electrically conductive connection in the form of cables or the like.
Alternativ oder zusätzlich kann vorgesehen sein, dass die Akkuschnittstelle elektrische Kontakte aufweist, die in ihrer zweiten Position mit elektrischen Gegenkontakten an der Gehäuseanordnung in elektrische Verbindung treten und die in Folge einer Bewegung in die erste Position der Akkuschnittstelle von den elektrischen Gegenkontakten gelöst werden. Hierdurch wird eine zusätzliche Möglichkeit der Absicherung eines gewünschten Betriebszustands mit der Akkuschnittstelle in ihrer zweiten Position relativ zu der Gehäuseanordnung geschaffen. Alternativ kann auch vorgesehen sein, dass die elektrischen Kontakte nur in jeweils vorgesehenen Endpositionen, d. h. der ersten und der zweiten Position, in elektrischem Kontakt mit entsprechenden Gegenkontakten stehen. Bei einer solchen Ausgestaltung können beispielsweise die Endanschläge zur elektrischen Kontaktierung genutzt werden.Alternatively or additionally, it may be provided that the battery interface has electrical contacts that come into electrical connection in their second position with electrical mating contacts on the housing assembly and that are released as a result of movement in the first position of the battery interface of the electrical mating contacts. This provides an additional means of securing a desired operating state with the battery interface in its second Position created relative to the housing assembly. Alternatively, it can also be provided that the electrical contacts only in respectively provided end positions, ie the first and the second position, are in electrical contact with corresponding mating contacts. In such an embodiment, for example, the end stops can be used for electrical contacting.
Schließlich betrifft die vorliegende Erfindung auch einen Bearbeitungstisch für eine akkubetriebene Elektrowerkzeugmaschine gemäß einem der Ansprüche 1 bis 12, wobei der Bearbeitungstisch eine Akkuschnittstelle zur elektrischen und/oder mechanischen Kopplung von wenigstens einem Akkupack aufweist, sowie eine Gehäuseanordnung, mit der die Antriebseinheit der akkubetriebenen Elektrowerkzeugmaschine zumindest teilweise verbindbar ist, wobei die Akkuschnittstelle im montierten Zustand unverlierbar mit der Gehäuseanordnung verbunden ist. Erfindungsgemäß ist die Akkuschnittstelle zwischen einer ersten Position und einer zweiten Position relativ zu der Gehäuseanordnung bewegbar an dieser angebracht und zumindest in der zweiten Position elektrisch mit der Antriebseinheit der mit dem Bearbeitungstisch verbundenen Elektrowerkzeugmaschine verbunden.Finally, the present invention also relates to a processing table for a battery-operated power tool according to one of claims 1 to 12, wherein the processing table has a battery interface for electrical and / or mechanical coupling of at least one battery pack, and a housing assembly, with which the drive unit of the battery-operated power tool at least is partially connectable, wherein the battery interface is connected in the mounted state captive with the housing assembly. According to the invention the battery interface between a first position and a second position relative to the housing assembly is movably attached to this and at least in the second position electrically connected to the drive unit of the power tool connected to the processing table.
Weitere Merkmale der Erfindung und damit verbundene Vorteile sind nachfolgend unter Bezugnahme auf die beigefügten Figuren oder in den Ansprüchen beschrieben.Further features of the invention and associated advantages are described below with reference to the accompanying figures or in the claims.
Die Figuren zeigen eine bevorzugte Ausführungsform der vorliegenden Erfindung, bei der einzelne voneinander unabhängige Merkmale in Kombination miteinander dargestellt sind. Der Fachmann erkennt jedoch, dass diese nicht notwendigerweise miteinander kombiniert sein müssen, sondern auch losgelöst voneinander beispielsweise in sinnvollen Unterkombinationen genutzt werden können.The figures show a preferred embodiment of the present invention, in which individual independent features are shown in combination with one another. However, the person skilled in the art recognizes that these need not necessarily be combined with one another, but can also be used detached from one another, for example, in meaningful subcombinations.
Die Figuren zeigen schematisch:
- Fig. 1.
- eine isometrische Ansicht einer erfindungsgemäßen Elektrowerkzeugmaschine;
- Figs. 2A und 2B
- eine Frontalansicht auf einen Teil der Elektrowerkzeugmaschine gemäß
Figur 1 mit der Akkuschnittstelle in der ersten Position (Fig. 2A ) und der zweiten Position (Fig. 2B ); - Fig. 3
- eine Seitenansicht auf die Elektrowerkzeugmaschine gemäß
Figuren 2A und 2B ; - Fig. 4
- eine geschnittene Ansicht entlang der Linie A-A der
Figur 3 ; und - Fig. 5
- eine Detailansicht gemäß dem angedeuteten Detail B der
Figur 4 .
- Fig. 1.
- an isometric view of a power tool according to the invention;
- Figs. 2A and 2B
- a frontal view of a part of the power tool according to
FIG. 1 with the battery interface in the first position (Fig. 2A ) and the second position (Fig. 2B ); - Fig. 3
- a side view of the power tool according to
FIGS. 2A and 2B ; - Fig. 4
- a sectional view along the line AA the
FIG. 3 ; and - Fig. 5
- a detailed view according to the indicated detail B of
FIG. 4 ,
In der
Sie umfasst in der dargestellten Ausführungsform der
Erfindungsgemäß weist die Elektrowerkzeugmaschine 10 weiter eine Akkuschnittstelle 20 auf, die in der dargestellten Ausführungsform zur elektrischen und mechanischen Kopplung von zwei Akkupacks A dient. Alternativ ist es jedoch selbstverständlich ebenfalls denkbar, dass nur ein Akkupack oder mehr als zwei Akkupacks hierüber gekoppelt werden können. Weiterhin kann die Akkuschnittstelle auch nur eine elektrische oder eine mechanische Kopplung bereitstellen.According to the invention, the
Die Akkupacks A sind an zugehörigen Aufnahmen (nicht bezeichnet) der Akkuschnittstelle 20 aufgenommen und können in bekannter Weise an dieser verriegelt und elektrisch kontaktiert sein. Dabei sind die Aufnahmen der Akkuschnittstelle 20 insbesondere so ausgestaltet, dass sie eine mechanische Struktur aufweisen, die mit der Kontur des Akkupacks A zur mechanischen Sicherung zusammenwirkt.The battery packs A are accommodated on associated receptacles (not labeled) of the
Wie anhand der
Die Akkuschnittstelle 20 weist in der dargestellten Ausführungsform zwei Laufschienen 22 auf, die an gegenüberliegenden Seiten der Akkuschnittstelle 24 ausgebildet sind und als Verschiebemittel mit korrespondierenden Verschiebemitteln, vorliegend mit Führungsschienen 18a (angedeutet in
Die Akkuschnittstelle 20 weist einen Vorsprung 24 auf, der zur Sicherung der Akkuschnittstelle 20 in ihrer zweiten Position relativ zu der Gehäuseanordnung 16 mittels einer federnd vorgespannten Klinke als Sicherungsmechanismus (angedeutet durch das Bezugszeichen 18c, vgl. auch
Weiterhin sind ein erster Endanschlag 26a (vgl.
Insgesamt wird durch die vorliegende Erfindung ein besonders platzsparender Aufbau für eine akkubetriebene Elektrowerkzeugmaschine bereitgestellt, bei dem eine Akkuschnittstelle zur Kopplung von wenigstens einem Akkupack aus einer ersten Position, in der der wenigstens eine Akkupack bequem eingesetzt werden kann, in eine zweite platzsparende Position bewegt werden kann, in der der bzw. die gekoppelten Akkupacks wenig Bauraum einnehmen und vor Kollisionen mit externen Gegenständen geschützt werden.Overall, the present invention provides a particularly space-saving design for a battery-powered power tool in which a battery interface for coupling at least one battery pack from a first position in which the at least one battery pack can be conveniently used, can be moved to a second space-saving position in which the coupled battery packs occupy little space and are protected against collisions with external objects.
Claims (13)
eine elektrische Antriebseinheit,
eine Akkuschnittstelle (20) zur elektrischen und/oder mechanischen Kopplung von wenigstens einem Akkupack (A) sowie
eine Gehäuseanordnung (16), mit der die Antriebseinheit zumindest teilweise verbunden ist, wobei die Akkuschnittstelle (20) im montierten Zustand unverlierbar mit der Gehäuseanordnung (16) verbunden ist,
dadurch gekennzeichnet, dass die Akkuschnittstelle (20) zwischen einer ersten Position und einer zweiten Position relativ zu der Gehäuseanordnung (16) bewegbar an dieser angebracht ist.Battery-powered stationary or semi-stationary electric machine tool (10)
an electric drive unit,
a battery interface (20) for the electrical and / or mechanical coupling of at least one battery pack (A) and
a housing arrangement (16), with which the drive unit is at least partially connected, wherein the battery interface (20) in the mounted state is permanently connected to the housing arrangement (16),
characterized in that the battery interface (20) is movably mounted between a first position and a second position relative to the housing assembly (16).
dadurch gekennzeichnet, dass die Akkuschnittstelle (20) translatorisch bewegbar, insbesondere aus der Gehäuseanordnung (16) ausziehbar und in diese zumindest abschnittsweise einschiebbar ausgestaltet ist, wobei die Akkuschnittstelle (20) insbesondere in der Art einer Schublade oder eines Schlittens aus der Gehäuseanordnung (16) ausziehbar und in diese zumindest abschnittsweise einschiebbar ausgestaltet ist.A battery operated stationary or semi-stationary power tool (10) according to claim 1,
characterized in that the battery interface (20) translationally movable, in particular from the housing assembly (16) extendable and at least partially inserted therein, wherein the battery interface (20) in particular in the form of a drawer or a carriage from the housing assembly (16) extendable and designed in this at least partially insertable.
dadurch gekennzeichnet, dass die Akkuschnittstelle (20) eine Akkuaufnahme zu mechanischen Aufnahme von wenigstens einem Akkupack (A) umfasst.A battery powered stationary or semi-stationary power tool (10) according to claim 2,
characterized in that the battery interface (20) comprises a battery receptacle for mechanical recording of at least one battery pack (A).
dadurch gekennzeichnet, dass die Akkuschnittstelle (20) wenigstens ein Verschiebemittel, insbesondere wenigstens eine Laufschiene (22), umfasst, die mit einem oder mehreren korrespondierenden Verschiebemitteln an der Gehäuseanordnung (16), insbesondere korrespondierenden Führungsschienen (18a), in der Weise zusammenwirken, dass die Akkuaufnahme eine definierte Verschiebebewegung ausführt.A battery powered stationary or semi-stationary power tool (10) according to claim 3,
characterized in that the battery interface (20) at least one displacement means, in particular at least one running rail (22), which cooperate with one or more corresponding displacement means on the housing assembly (16), in particular corresponding guide rails (18a) in such a way that the battery holder performs a defined displacement movement.
dadurch gekennzeichnet, dass die Gehäuseanordnung (16) eine vorgegebene Ausnehmung (28) aufweist, in die die Akkuschnittstelle (20) insbesondere zusammen mit wenigstens einem damit verbundenen Akkupack (A) bewegt werden kann.Battery operated stationary or semi-stationary power tool (10) according to one of the preceding claims,
characterized in that the housing assembly (16) has a predetermined recess (28), in which the battery interface (20) in particular together with at least one associated battery pack (A) can be moved.
dadurch gekennzeichnet, dass die Gehäuseanordnung (16) ein Maschinengehäuse der Elektrowerkzeugmaschine und/oder einen Unterbau, insbesondere einen Bearbeitungstisch (12) der Elektrowerkzeugmaschine (10) umfassen kann.Battery operated stationary or semi-stationary power tool (10) according to one of the preceding claims,
characterized in that the housing arrangement (16) may comprise a machine housing of the power tool and / or a substructure, in particular a processing table (12) of the power tool (10).
dadurch gekennzeichnet, dass die Akkuschnittstelle (20) und/oder die Gehäuseanordnung (16) wenigstens einen ersten Endanschlag (26a), insbesondere einen Vorsprung, aufweist bzw. aufweisen, der die Relativbewegung der Akkuschnittstelle (20) in Richtung von der Gehäuseanordnung (16) weg in der ersten Position begrenzt.Battery operated stationary or semi-stationary power tool (10) according to one of the preceding claims,
characterized in that the battery interface (20) and / or the housing arrangement (16) has or have at least one first end stop (26a), in particular a projection, which controls the relative movement of the battery interface (20) in the direction of the housing arrangement (16). limited in the first position.
dadurch gekennzeichnet, dass die Akkuschnittstelle (20) und/oder die Gehäuseanordnung (16) wenigstens einen zweiten Endanschlag (26b), insbesondere einen Vorsprung, aufweist bzw. aufweisen, der die Relativbewegung der Akkuschnittstelle (20) in Richtung zu der Gehäuseanordnung (16) hin in der zweiten Position begrenzt.Battery operated stationary or semi-stationary power tool (10) according to one of the preceding claims,
characterized in that the battery interface (20) and / or the housing arrangement (16) has or have at least one second end stop (26b), in particular a projection which controls the relative movement of the battery interface (20) in the direction of the housing arrangement (16). limited in the second position.
dadurch gekennzeichnet, dass die Elektrowerkzeugmaschine (10) ferner einen Sicherungsmechanismus zur Sicherung der Akkuschnittstelle (20) in ihrer zweiten Position relativ zu der Gehäuseanordnung (16) aufweist.Battery operated stationary or semi-stationary power tool (10) according to one of the preceding claims,
characterized in that the power tool (10) further comprises a securing mechanism for securing the battery interface (20) in its second position relative to the housing assembly (16).
dadurch gekennzeichnet, dass der Sicherungsmechanismus eine federnd vorgespannte Klinke (18c) umfasst, die an der Gehäuseanordnung (16) oder an der Akkuschnittstelle (20) vorgesehen ist, sowie einen damit zur Sicherung der Akkuschnittstelle (20) in ihrer zweiten Position zusammenwirkenden Rastvorsprung (24), der korrespondierend an der Akkuschnittstelle (20) oder an der Gehäuseanordnung (16) vorgesehen ist.A battery powered stationary or semi-stationary power tool (10) according to claim 9,
characterized in that the securing mechanism comprises a resiliently biased pawl (18c) provided on the housing assembly (16) or on the battery interface (20), and a latching projection (24) cooperating therewith to secure the battery interface (20) in its second position ), which is provided corresponding to the battery interface (20) or to the housing assembly (16).
dadurch gekennzeichnet, dass der Sicherungsmechanismus eine Löseanordnung umfasst, mittels derer die federnd vorgespannte Klinke (18c) entgegen der Federvorspannung in eine Lösestellung bewegt werden kann.A battery powered stationary or semi-stationary power tool (10) according to claim 10,
characterized in that the securing mechanism comprises a release arrangement, by means of which the resiliently biased pawl (18c) can be moved against the spring bias in a release position.
dadurch gekennzeichnet, dass die Akkuschnittstelle (20) in jeder Position elektrisch mit der Antriebseinheit verbunden ist.Battery operated stationary or semi-stationary power tool according to one of the preceding claims,
characterized in that the battery interface (20) is electrically connected in each position with the drive unit.
dadurch gekennzeichnet, dass die Akkuschnittstelle (20) zwischen einer ersten Position und einer zweiten Position relativ zu der Gehäuseanordnung (16) bewegbar an dieser angebracht ist und dass die Akkuschnittstelle (20) zumindest in der zweiten Position elektrisch mit der Antriebseinheit der mit dem Bearbeitungstisch (12) verbundenen Elektrowerkzeugmaschine verbunden ist.Machining table (12) for a battery-operated stationary or semi-stationary electric machine tool (10) according to one of claims 1 to 12, wherein the processing table (12) has a battery interface (20) for electrically and / or mechanically coupling at least one battery pack (A), and a housing arrangement (16) with which the drive unit of the battery-powered power tool is at least partially connectable, wherein the battery interface (20) in the mounted state is permanently connected to the housing arrangement (16),
characterized in that the battery interface (20) between a first position and a second position relative to the housing assembly (16) is movably mounted on this and that the battery interface (20) at least in the second position electrically connected to the drive unit with the working table ( 12) connected to the power tool.
Applications Claiming Priority (1)
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DE102016120832.9A DE102016120832A1 (en) | 2016-11-02 | 2016-11-02 | Battery operated power tool |
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EP3321039B1 EP3321039B1 (en) | 2023-02-22 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3305473B1 (en) * | 2016-10-05 | 2023-06-21 | Metabowerke GmbH | Electric hand-held machine tool |
US11894572B2 (en) | 2020-05-22 | 2024-02-06 | Black & Decker Inc. | Power tool with battery pack enclosure |
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DE10039777A1 (en) * | 2000-08-16 | 2002-02-28 | Bosch Gmbh Robert | Battery powered power tool |
DE102004049085A1 (en) * | 2004-10-08 | 2006-04-13 | Robert Bosch Gmbh | Device for locking a battery pack in a guide of a power tool |
US7077179B1 (en) * | 2003-07-29 | 2006-07-18 | Abc Product Development, L.L.C. | Cordless power tool and multi-purpose workstation system |
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JP3558880B2 (en) | 1998-07-09 | 2004-08-25 | 株式会社マキタ | Tabletop marunoco board |
US7373710B2 (en) * | 2006-10-05 | 2008-05-20 | C Enterprise (Hk) Limited | Toolbox apparatus to which power tools may be mounted to provide a workstation |
-
2016
- 2016-11-02 DE DE102016120832.9A patent/DE102016120832A1/en active Pending
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2017
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10039777A1 (en) * | 2000-08-16 | 2002-02-28 | Bosch Gmbh Robert | Battery powered power tool |
US7077179B1 (en) * | 2003-07-29 | 2006-07-18 | Abc Product Development, L.L.C. | Cordless power tool and multi-purpose workstation system |
DE102004049085A1 (en) * | 2004-10-08 | 2006-04-13 | Robert Bosch Gmbh | Device for locking a battery pack in a guide of a power tool |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3305473B1 (en) * | 2016-10-05 | 2023-06-21 | Metabowerke GmbH | Electric hand-held machine tool |
US11894572B2 (en) | 2020-05-22 | 2024-02-06 | Black & Decker Inc. | Power tool with battery pack enclosure |
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EP3321039B1 (en) | 2023-02-22 |
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